Home / 31,454.02-47,179.48-11,731.04

Finding the Fourth Proportional to 31,454.02, 47,179.48 and 11,731.04

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Solution

The fourth proportional to 31,454.02, 47,179.48 and 11,731.04 is: 17,595.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,454.02 : 47,179.48 = 11,731.04 : x
  2. Step 2: Convert to fraction form
    31,454.02/47,179.48 = 11,731.04/x
  3. Step 3: Cross multiply
    31,454.02x = 47,179.48 × 11,731.04
  4. Step 4: Simplify right side
    31,454.02x = 553,464,367.06
  5. Step 5: Solve for x
    x = 553,464,367.06/31,454.02
  6. Step 6: Final answer
    x = 17,595.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.